All antibiotics:  All antibiotics have some risk of SJS and TEN, but all antibiotics containing sulfasalazine, commonly known as sulfa, have a high risk .  Other antibiotics with a high risk include all aminopenicillins, cephalosporins, quinolones (such as Levaquin), and cycline antibiotics (such as Tetracycline), so if you have contracted SJS or TEN from any of these drugs, you may have a case.